Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-19 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/21/2025
Index Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 07/21/2025 14:59:04 79.03, 48.80 70.43 07/21/2025 14:59:27 79.03, 48.80 70.45 0.52 23
2 07/21/2025 15:49:49 -78.65,-141.21 109.00 07/21/2025 15:48:35 -78.62,-141.31 109.08 4.53 74
3 07/23/2025 17:57:15 79.04, 4.22 70.84 07/23/2025 17:57:16 79.04, 4.27 70.85 1.35 1
4 07/25/2025 20:55:26 79.06, -40.40 71.27 07/25/2025 20:55:05 79.05, -40.32 71.27 1.90 21
5 07/27/2025 23:02:41 -79.27, 106.21 108.59 07/27/2025 23:03:38 -79.26, 106.32 108.52 2.62 57
6 07/27/2025 23:53:36 79.04, -84.79 71.77 07/27/2025 23:52:53 79.03, -84.71 71.75 2.09 43
7 07/30/2025 02:00:50 -79.24, 61.95 108.04 07/30/2025 02:01:26 -79.24, 61.90 108.02 1.30 36
8 07/30/2025 02:51:47 79.07,-129.46 72.24 07/30/2025 02:50:42 79.06,-129.38 72.21 1.83 65
9 08/01/2025 04:59:00 -79.24, 17.41 107.52 08/01/2025 04:59:14 -79.24, 17.44 107.50 0.76 14

Figure of NOAA-19 and TERRA satellite orbits during SNOs since TLE Epoch: 7/21/2025
SNOs_Map_NOAA-19_TERRA_20250721.jpg

Download SNOs between NOAA-19 and TERRA since TLE EPOCH: 07/21/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and TERRA